Toluene diisocyanate manufacturer Knowledge BASF BASF Elastollan® Bondura AS-420 polyester thermoplastic polyurethane elastomer AS420

BASF BASF Elastollan® Bondura AS-420 polyester thermoplastic polyurethane elastomer AS420

BASF BASF Elastollan® Bondura AS-420 polyester thermoplastic polyurethane elastomer AS420

                         

Product Features
polyester thermoplastic polyurethane elastomer for Various materials such as PVC, PU, ​​TPR, TPE, textiles and leather have excellent bonding effects. Good initial peel strength, excellent heat resistance, good solubility, slow crystallization speed, long sticky time and low temperature plasticity.

Purpose
Solvent-based polyurethane adhesive, which can be used alone Or add a bridging agent and use it together for shoe materials and fabric lamination to meet the needs of higher heat resistance.

Physical properties*

parameter

Value

Test method

Heat activation temperature

55 -65 °C

QK4 -73019

Adhesion after 5 minutes

3.0 Kg/cm

QK4 -73019

Adhesion after 30 minutes

4.0 Kg/cm

QK4 -73019

Adhesion after 24 hours

5.0 Kg/cm

QK4 -73019

Viscosity at 25°C (15% methyl ethyl ketone)

1700 -2200 cps

QK4 -73008


Adhesion force test and thermal opening and closing length test The material used is PVC.
*The above values ​​are typical values ​​only and cannot be regarded as product quality inspection standards. For applications with special requirements, please confirm the data with the supplier before selecting materials.

Product appearance and packaging
White to yellowish oval particles
Multi-layer paper bag, net weight 25 kg; space Bag or octagonal box with PE liner bag, net weight 500 kg or 750 kg

Solubility
Elastollan® Bondura can be stirred and dissolved in butanone , Acetone solvent. When the solvent contains ethyl acetate or toluene, the viscosity will increase.

Processing
Generally speaking, if the product is kept dry and cool (10 - 25˚C), and stored in unopened, undamaged bags, it will be in normal processing condition for at least 6 months after shipment. Thereafter, we do not provide further guarantees regarding the processability and shelf life of the products. If the material itself is defective in quality, the buyer's rights and guarantees remain unaffected.

Save
Elastollan is a hygroscopic material and therefore is recommended for storage In tightly closed original packaging and in cool (10 - 25˚C) dry conditions.

Hazard Identification
No specific hazards known. Please refer to the product safety data sheet before use.

Waste disposal
Please refer to local regulations and products for details Safety Data Sheet.

="color:#000000">Waste disposal
Please refer to local regulations and products for details Safety Data Sheet.

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